Ruth Kassinger

An entertaining book of projects on all kinds of amazing inventions, a follow-up to the author's Reinvent the Wheel, Build a Better Mousetrap presents even more projects based on classic inventions from the kaleidoscope and the hovercraft to the suspension bridge and the solar water heater. It provides the history of each invention, details on how the original inventor solved...

Say “algae” and most people think of pond scum. What they don’t know is that without algae, none of us would exist. There are as many algae on earth as stars in the universe, and they have been essential to life on our planet for aeons. Algae created our oxygen-rich atmosphere, abundant oceans and coral reefs. Crude oil is made...